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3 commits

Author SHA1 Message Date
Sergey Petrunya
24c2fea6ad MWL#17: Table elimination 
- Address review feedback R4: better comments, formatting
 2009-09-02 01:41:16 +04:00
Sergey Petrunia
c4922cbf10 MWL#17: Table elimination 
- More testcases
- Let add_ft_key() set keyuse->usable

mysql-test/r/table_elim.result:
  MWL#17: Table elimination
  - More testcases
mysql-test/t/table_elim.test:
  MWL#17: Table elimination
  - More testcases
sql/sql_select.cc:
  MWL#17: Table elimination
  - Let add_ft_key() set keyuse->usable
 2009-06-24 00:06:13 +04:00
Sergey Petrunia
d8640e3eae MWL#17: Table elimination 
- Move eliminate_tables() to before constant table detection. 
- First code for benchmark

sql-bench/test-table-elimination.sh:
  MWL#17: Table elimination
  - sql-bench "Benchmark", incomplete
sql/sql_select.cc:
  MWL#17: Table elimination
  - Move eliminate_tables() to before constant table detection, this will allow
    to spare const table reads (at a cost of not being able to take advantage of 
    tables that are constant because they have no records, but this case is of 
    lesser importance)
 2009-06-16 23:54:13 +04:00